Table 4 The effects of interval and continuous exercise regimens on RV mechanics in HE.

RV strains and strain rates at rest and during exercise under 12% hypoxic exposure

Radial Strain (%)

Rt

35.3 ± 2.5

26.7 ± 2.0 *

34.8 ± 2.7

31.8 ± 2.1

35.8 ± 3.0

34.7 ± 4.2

Ex

23.4 ± 2.2 **

18.5 ± 2.1 *,**

22.4 ± 3.9 **

21.6 ± 2.7 **

22.0 ± 7.6 **

20.0 ± 3.6 **

Radial Strain Rate (s^-1)

RV in Sys

Rt

2.2 ± 0.19

2.78 ± 0.14 *, ***, #

2.15 ± 0.20

2.27 ± 0.12

2.12 ± 0.35

2.20 ± 0.31

Ex

2.13 ± 0.11

2.55 ± 0.18 *, ***, #

2.01 ± 0.24

2.21 ± 0.18

1.95 ± 0.20

2.02 ± 0.16

RV in Dia

Rt

− 1.47 ± 0.22

− 2.63 ± 0.12 *, ***, #

− 1.54 ± 0.12

− 2.36 ± 0.18 *, #

− 1.53 ± 0.16

− 1.45 ± 0.2

Ex

− 2.06 ± 0.16 **

− 1.78 ± 0.21 **

− 1.98 ± 0.22 **

− 2.02 ± 0.18 **

− 2.02 ± 0.11 **

− 1.99 ± 0.24 **

Longitudinal Strain (%)

Rt

− 19.54 ± 1.28

− 18.12 ± 1.02

− 18.13 ± 0.95

− 19.46 ± 0.93

− 18.61 ± 1.47

− 19.1 ± 1.45

Ex

− 25.58 ± 1.66 **

− 23.47 ± 3.31 **

− 23.3 ± 1.36 **

− 23.16 ± 1.68 **

− 24.39 ± 2.01 **

− 24.79 ± 1.27 **

Longitudinal Strain Rate (s-1)

RV in Sys

Rt

− 1.16 ± 0.06

− 1.10 ± 0.06

− 1.12 ± 0.1

− 1.17 ± 0.10

− 1.16 ± 0.09

− 1.17 ± 0.09

Ex

− 1.74 ± 0.22 **

− 1.72 ± 0.26 **

− 1.78 ± 0.12 **

− 1.70 ± 0.14 **

− 1.77 ± 0.16 **

− 1.82 ± 0.15 **

RV in Dia

Rt

1.30 ± 0.10

1.25 ± 0.08

1.32 ± 0.11

1.27 ± 0.12

1.31 ± 0.13

1.30 ± 0.14

Ex

2.33 ± 0.18 **

2.19 ± 0.24 **

2.33 ± 0.16 **

2.17 ± 0.07 **

2.32 ± 0.13 **

2.34 ± 0.15 **